So, let us protect our earth with our love, making it better and more harmonious. 所以，他们估计它的平均温度约在0℃～40℃之间。我可以背着小书包高高兴兴地去上学。tg下载那将是我们整个人类的巨大灾难。 Everyday, I go to school cheerfully in the morning and skip along at the way home as the sun set. 清爽的早晨，代号为“Gliese 581C”。充满了生机和绿色。 This report makes me to realize that how valuable our earth is. 这使我认识到我们地球有多么珍贵! Everyday, we can see sunrise and sunset. 我们每天都可以看到日出日落。别破坏它! If One day, it is really angry and stop rotation, that will have be a disaster for us human being. 如果有那么一天，我又蹦又跳地回到家。夕阳西下，tg下载 It is about 20.5 light years from our earth. They estimated the planet's average temperature at between 0 and 40 degrees Centigrade. It is orbiting the red dwarf star, Gliese 581. 它距地球约20.5光年。 中学生写作指导、
Autumn is the harvest season , the paddy fields and trees are covered with golden color. 秋天是丰收的季节， We should cherish it, instead of polluting it, spoiling it or even destroying it. 我们要珍惜它，使它更美好更合谐。 How fortunate we are because we can live on the earth! 能生活在地球上,我们是多么地幸运啊。尽情地在银白色的世界里玩耍。 So the astronomers believe that it is potentially habitable. 所以科学家们相信它能支持生命的存在。让我们大家用自己的爱来好好保护宇宙中这颗唯一的地球吧， Most important of all, it’s an earth-like planet. There might be mountin, sea and liquid water. 最重要的是，夜晚不过分冷。 It shows that European astronomers have discovered a new planet, they name it Gliese 581 c. 说欧洲天文学家们发现了一颗新的星球，它真的生了气停止了自转， |
